#559AD4#559AD4

#559AD4 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.5% C 0.112 H 245.9°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#559AD4
RGB	rgb(85, 154, 212)
HSL	hsl(207, 60%, 58%)
HSV	hsv(207, 60%, 83%)
CMYK	cmyk(59.9%, 27.4%, 0%, 16.9%)
CIE-LAB	lab(61.48, -4.53, -36.19)
CIE-LCH	lch(61.48, 36.47, 262.87°)
OKLab	oklab(66.54% -0.0455 -0.1018)
OKLCH	oklch(66.54% 0.112 245.9)
XYZ	xyz(27.1812, 29.7934, 66.5929)
Luminance	0.2980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AD4 #D48F55

analogous

#55D4CF #559AD4 #555AD4

triadic

#559AD4 #D4559A #9AD455

tetradic

#559AD4 #CF55D4 #D48F55 #5AD455

square

#559AD4 #CF55D4 #D48F55 #5AD455

split-complementary

#559AD4 #D4555A #D4CF55

monochromatic

#235C8B #307CBC #559AD4 #86B7E0 #B7D4ED

Accessibility & contrast

On white

3.02

#559AD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#559AD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559AD4

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AD4	#FFFFFF	#000000	##000000
##559AD4	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819BD7

Deuteranopia (green-blind)

#708FD3

Tritanopia (blue-blind)

#00A8AE

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559ad4;
/* rgb */ color: rgb(85, 154, 212);
/* oklch */ color: oklch(66.5% 0.112 245.9);

Tailwind

colors: {
  custom: {
    50: '#8fb7e1',
    500: '#559ad4',
    950: '#000000',
  },
}

SCSS

$custom: #559ad4;
$custom-light: #8fb7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#559ad4",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 212
  },
  "hsl": {
    "h": 207.402,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.66543,
    "c": 0.1115,
    "h": 245.9
  },
  "luminance": 0.29796
}

Semantic roles & 50–950 ramp

primary

#559AD4

secondary

#DCC0A9

accent

#8D45E3

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559AD4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →